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LE910Cx AT Commands Reference Guide

80502ST10950A Rev. 14 Page 1250 of 1904 2022-03-04

Not Subject to NDA

255

local host closes only after an escape

sequence (+++)

If successful, command returns a final result code OK. If the

ListenAutoRsp flag has not been set through the command

#SCFGEXT (for the specific <connId>), then, when a TCP connection

request comes on the input port, if the sender is not filtered by

internal firewall (see #FRWL), an URC is received:

+SRING : <connId>

Afterwards we can use #SA to accept the connection or #SH to

refuse it.

If the ListenAutoRsp flag has been set, then, when a TCP

connection request comes on the input port, if the sender is not

filtered by the internal firewall (see #FRWL), the connection is

automatically accepted: the CONNECT indication is given and the

modem goes into online data mode.

If the socket is closed by the network the following URC is

received:

#SKTL: ABORTED

AT#SL?

Read command returns all the actual listening TCP sockets.

AT#SL=?

Test command returns the range of supported values of the parameters.

Telit Wireless Solutions LE910C series At Commands Reference Guide

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